Homework Help: Thermodynamics 2nd Law

Posted by Nicole on Thursday, May 5, 2011 at 12:21am.

The 2nd law of thermodynamics states that “in any spontaneous process, the total entropy of the universe always increases”. Yet in biological systems there are processes where there is a decrease in entropy during a reaction. Give an example of a biological process where entropy decreases (words are fine, specific reactions are not necessary). Then explain how these processes do not violate the 2nd law of thermodynamics.

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